package com.surelution.projects.congress

/**
 * 一次签到
 * @author <a href="mailto:guangzong.syu@gmail.com">Guangzong</a>
 *
 */
class CheckIn {

    static constraints = {
		clientId unique:true
		passportId nullable:true
    }
	
	String clientId
	Member member
	String passportId
	Date checkInTime

	/**
	 * 从哪个签到机签到
	 */
	CheckInTimer timer
}
